| Molecular Formula | C19H26N2O10 |
| Molar Mass | 442.42 |
| Density | 1.36±0.1 g/cm3(Predicted) |
| Boling Point | 580.5±60.0 °C(Predicted) |
| pKa | -2.34±0.20(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| biological activity | Mal-PEG4-NHS ester is a non-degradable ADC linker containing a Maleimide group, 4 units of PEG and NHS esters. |
| Target | Non-cleavable |